dimethyl (2R,2'R,3aR,3'aR,8aR,8'aR)-1-((((9H-fluoren-9-yl)methoxy)carbonyl)-D-leucyl)-1'-((((9H-fluoren-9-yl)methoxy)carbonyl)-D-valyl)-2,2',3,3',8,8a,8',8'a-octahydro-1H,1'H-[3a,3'a-bipyrrolo[2,3-b]indole]-2,2'-dicarboxylate 在
二乙胺 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以35 mg的产率得到(1R,4R,7R,9R)-9-[(1R,4R,7R,9R)-3,6-dioxo-4-propan-2-yl-2,5,16-triazatetracyclo[7.7.0.02,7.010,15]hexadeca-10,12,14-trien-9-yl]-4-(2-methylpropyl)-2,5,16-triazatetracyclo[7.7.0.02,7.010,15]hexadeca-10,12,14-triene-3,6-dione